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authorMarc Zyngier <maz@kernel.org>2023-08-28 11:29:11 +0300
committerMarc Zyngier <maz@kernel.org>2023-08-28 11:29:11 +0300
commit50a40ff7d311da4c28e7f9d5e9113b4fab3b7b8e (patch)
tree14d88b06e981238f80c446f3feabbd1b8771cef7 /arch/arm64/include/asm/kvm_host.h
parentd58335d10fd7617addb48b3c4f06c373c2f76529 (diff)
parent9b80b9676be901eb980c48543a19d7026d2f84b8 (diff)
downloadlinux-50a40ff7d311da4c28e7f9d5e9113b4fab3b7b8e.tar.xz
Merge branch kvm-arm64/6.6/pmu-fixes into kvmarm-master/next
* kvm-arm64/6.6/pmu-fixes: : . : Another set of PMU fixes, coutrtesy of Reiji Watanabe. : From the cover letter: : : "This series fixes a couple of PMUver related handling of : vPMU support. : : On systems where the PMUVer is not uniform across all PEs, : KVM currently does not advertise PMUv3 to the guest, : even if userspace successfully runs KVM_ARM_VCPU_INIT with : KVM_ARM_VCPU_PMU_V3." : : Additionally, a fix for an obscure counter oversubscription : issue happening when the hsot profines the guest's EL0. : . KVM: arm64: pmu: Guard PMU emulation definitions with CONFIG_KVM KVM: arm64: pmu: Resync EL0 state on counter rotation KVM: arm64: PMU: Don't advertise STALL_SLOT_{FRONTEND,BACKEND} KVM: arm64: PMU: Don't advertise the STALL_SLOT event KVM: arm64: PMU: Avoid inappropriate use of host's PMUVer KVM: arm64: PMU: Disallow vPMU on non-uniform PMUVer Signed-off-by: Marc Zyngier <maz@kernel.org>
Diffstat (limited to 'arch/arm64/include/asm/kvm_host.h')
-rw-r--r--arch/arm64/include/asm/kvm_host.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h
index 967ee7e8e408..dfc26992d14f 100644
--- a/arch/arm64/include/asm/kvm_host.h
+++ b/arch/arm64/include/asm/kvm_host.h
@@ -49,6 +49,7 @@
#define KVM_REQ_RELOAD_GICv4 KVM_ARCH_REQ(4)
#define KVM_REQ_RELOAD_PMU KVM_ARCH_REQ(5)
#define KVM_REQ_SUSPEND KVM_ARCH_REQ(6)
+#define KVM_REQ_RESYNC_PMU_EL0 KVM_ARCH_REQ(7)
#define KVM_DIRTY_LOG_MANUAL_CAPS (KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE | \
KVM_DIRTY_LOG_INITIALLY_SET)